(pls help asap not much time) Which set of ordered pairs represents y as a function of x? A) {(2, 5), (3, 1), (2, 1), (4, 7)}

B) {(4, 7), (4, 6), (4, 4), (4, 1)

C) {(3, 2), (4, 3), (5, 2), (2, 6)

D) {(1, 3), (3, 5), (2, 5), (1, 6)

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1